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| author |   Stefan Roesch <shr@devkernel.io> | 2022-11-18 16:52:10 -0800 |
|---|---|---|
| committer |   Andrew Morton <akpm@linux-foundation.org> | 2022-11-30 15:59:06 -0800 |
| commit | 4e230b406eda9bdf7f8a71e2cc3df18a824abcb0 (patch) | |
| tree | 35055985254bc337391e97826886e7eb3ae0ab25 /include/linux/backing-dev.h | |
| parent | mm: document /sys/class/bdi/<bdi>/min_bytes knob (diff) | |
| download | wireguard-linux-4e230b406eda9bdf7f8a71e2cc3df18a824abcb0.tar.xz wireguard-linux-4e230b406eda9bdf7f8a71e2cc3df18a824abcb0.zip | |
mm: add bdi_set_max_ratio_no_scale() function
This introduces bdi_set_max_ratio_no_scale(). It uses the max
granularity for the ratio. This function by the new sysfs knob
max_ratio_fine.
Link: https://lkml.kernel.org/r/20221119005215.3052436-16-shr@devkernel.io
Signed-off-by: Stefan Roesch <shr@devkernel.io>
Cc: Chris Mason <clm@meta.com>
Cc: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'include/linux/backing-dev.h')
| -rw-r--r-- | include/linux/backing-dev.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h index 572669758c7f..d9acbb22ff25 100644 --- a/include/linux/backing-dev.h +++ b/include/linux/backing-dev.h @@ -109,6 +109,7 @@ u64 bdi_get_min_bytes(struct backing_dev_info *bdi); u64 bdi_get_max_bytes(struct backing_dev_info *bdi); int bdi_set_min_ratio(struct backing_dev_info *bdi, unsigned int min_ratio); int bdi_set_max_ratio(struct backing_dev_info *bdi, unsigned int max_ratio); +int bdi_set_max_ratio_no_scale(struct backing_dev_info *bdi, unsigned int max_ratio); int bdi_set_min_bytes(struct backing_dev_info *bdi, u64 min_bytes); int bdi_set_max_bytes(struct backing_dev_info *bdi, u64 max_bytes); int bdi_set_strict_limit(struct backing_dev_info *bdi, unsigned int strict_limit); |